<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>百度语音测试</title>
        <script type="text/javascript">
        function doTTS(ttsText){
            var ttsDiv = document.getElementById('bdtts_div_id');
            var ttsAudio = document.getElementById('tts_autio_id');
            //var ttsText = document.getElementById('ttsText').value;

            // 这样为什么替换不了播放内容
            /*var ssrcc = 'http://tts.baidu.com/text2audio?lan=zh&ie=UTF-8&spd=10&text='+ttsText;
            document.getElementById('tts_source_id').src=ssrcc;*/

            // 这样就可实现播放内容的替换了
            ttsDiv.removeChild(ttsAudio);
            var au1 = '<audio id="tts_autio_id" autoplay="autoplay">';
            var sss = '<source id="tts_source_id" src="http://tts.baidu.com/text2audio?lan=zh&ie=UTF-8&spd=2&text='+ttsText+'" type="audio/mpeg">';
            var eee = '<embed id="tts_embed_id" height="0" width="0" src="">';
            var au2 = '</audio>';
            ttsDiv.innerHTML = au1 + sss + eee + au2;

            ttsAudio = document.getElementById('tts_autio_id');

            ttsAudio.play();
        }

        var index =0;

        function todo(){
            var interval = setInterval(function(){
                if(index == 0){
                    doTTS(document.getElementById('ttsText').value);
                }else if(index == 10){
                    doTTS(document.getElementById('ttsText1').value);
                }else if(index >= 15){
                    alert(1);
                    clearInterval(interval);
                }
                index++;
            }, 1000);;
        }
        </script>
    </head>
    <body>
        <div>
            <input type="text" id="ttsText">
            <input type="text" id="ttsText1">
            <input type="button" id="tts_btn" onclick="todo()" value="播放">
        </div>
        <div id="bdtts_div_id">
            <audio id="tts_autio_id" autoplay="autoplay">
                <source id="tts_source_id" src="http://tts.baidu.com/text2audio?lan=zh&ie=UTF-8&spd=9&text=播报内容" type="audio/mpeg">
                <embed id="tts_embed_id" height="0" width="0" src="">
            </audio>
        </div>
    </body>
</html>